|
|
|
Standard bar lengths Damasteel Bars, bars of stainless Damascus steel. Flat Damascene steels: 0.5m and 1m Round Damascene steels: 0.5, 1 and 1.5m with specials up to 4m RWL34 steel: 0.5, 1 and 1.5m with specials up to 4m
Standard sizes The
sizes in the price list are standard stock. Special dimensions
can be made on request. SOME STEEL IS ALWAYS
HELD IN STOCK AND IS AVAILABLE IN LENGTHS OF LESS THAN 0.5m.
PLEASE E-Mail OR PHONE FOR AVAILABILITY.
Laminated round bars. Damascene round bars for machining or forging. 935 has round layers like tree rings and 926, 968, 936 & 958 have parallel layers. 926, 968, 936 are also available in twist.
Bluetongue. Part of a new family of Damascene Steel in round bars for machining or forging and used to produce patterns such as Muhammeds Ladder.
EXCITING NEW PATTERN JUST BEEN DEVELOPED "HAWKANDERS"
HAWKANDERS produce by coining Rose pattern and rolling flat
Dense Twist Approx 20 turns/ft. The laminated bar is forged round. The bar is twisted in a special operation then forged for flat dimensions.
Hardening (Martensitic damascene steel and RWL 34 only, Austenitic steels don't require hardening to be stainless) The steel is delivered soft annealed. It is therefore possible to work, mill and grind it. A typical way of hardening is to heat to 1050oC (1920F). Hold this temperature for 10 minutes, the take it out and cool rapidly. It is not necessary to quench thin knife sections very quickly, as air-cooling is sufficient. Now the material is hard but brittle, therefore tempering at 200oC (400F) for 2 hours is required (an ordinary oven is sufficient). Now that the steel is hard, it is now stainless (it wasn’t before hardening). Grinding will be required to remove the oxides formed on the surface during hardening (the surface turns dark grey). If you don't have access to heat treating equipment Mick Wardell offers an excellently priced service at http://www.wardellscustomknives.com/ or E-Mail mick@wardellscustomknives.comAnother very effective method is to seal up the item in a special foil with a small piece of carbon to remove all oxygen, and heat treat as normal. The advantage being there is no oxidization inside the packet, so the blade can be virtually finished before heat treating. The foil is available from Gary Whitcombe through this link artisanforge@aol.com
Etching To make the pattern visible, the finished work is dipped into acid for a few minutes. One of the steel grades turns dark making the pattern visible. Sulphuric or Hydrochloric acids (~37%) are suitable for the Martensitic damascene steels. For the Austenitic damascene steels use "Kingswater" (80% HCl and 20% HNO3) for best results. Ordinary "Brick Cleaner" available from DIY stores or builders merchants is also very effective and much safer. The etch takes much longer( up to 4 hours depending on the effect required) but is much more controllable.
WHEN HANDLING ACIDS EXERCISE EXTREME CARE, WEAR APPROPRIATE PROTECTIVE CLOTHING AND READ COSHH LITERATURE. WHEN DILUTING, ADD ACID TO WATER, NEVER WATER TO ACID.
|
Contact Info:- Telephone (44)01575582294 Electronic mail Sales: sales@crandart Webmaster: admin@crandart.co.uk
Last modified: February 21, 2006
|